The ESD5220 Speed Control Unit (Governor) is a compact and reliable electronic speed governor designed for use in small-to-medium diesel and gas engines. It is a more specialized variant within the ESD5000 series, specifically optimized for Normally Closed (N/C) actuators. It is frequently used in light-to-medium duty generator sets where efficient speed regulation and ease of installation are primary requirements.
| Feature | Detailed Specification |
| Model Number | ESD5220 |
| Series | ESD5000 Series (Compact Type) |
| Operating Voltage | 12V / 24V DC (Standard) |
| Steady State Stability | ±0.25% |
| Speed Range | 1KHz – 7.5KHz |
| Output Current | 0 – 5A Continuous |
| Speed Drift | < ±1% (Thermal Stability) |
| Input Signal (MPU) | 0.5 – 120 V RMS |
| Idle Adjustment | 160 ± 20Hz ~ 60% of Rated Speed |
| Working Temperature | -40°C to +85°C |